docker-build

#!/usr/bin/env bash
# vim: ft=bash
# Build SOL RPC inside docker. This outputs sol_rpc_canister.wasm.gz.

set -euo pipefail

# Make sure we always run from the root
SCRIPTS_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
cd "$SCRIPTS_DIR/.."

function title() {
    echo "Build SOL RPC canister inside Docker"
}

function usage() {
    cat << EOF

Usage:
  $0

EOF
}

function help() {
    cat << EOF

This will create (and override) "./sol_rpc_canister.wasm.gz".
EOF
}

## Building

function build() {
    local canister="$1"

    # image name and build args, made global because they're used in
    # check_feature()
    image_name="sol-rpc-docker-build"
    docker_build_args=( --target "scratch_$canister" )

    docker_build_args+=(--tag "$image_name" .)

    echo "The following image name will be used: $image_name"

    tmp_outdir=$(mktemp -d)

    set -x
    DOCKER_BUILDKIT=1 docker build \
        "${docker_build_args[@]}" \
        --output "$tmp_outdir"
    set +x

    echo "Copying build output from $tmp_outdir to $PWD/wasms"
    cp "$tmp_outdir/$canister.wasm.gz" ./wasms/

    echo "Removing $tmp_outdir"
    rm -rf "$tmp_outdir"
}

# ARGUMENT PARSING

CANISTERS=()
while [[ $# -gt 0 ]]
do
    case $1 in
        -h|--help)
            title
            usage
            help
            exit 0
            ;;
        *)
            echo "ERROR: unknown argument $1"
            usage
            echo
            echo "Use '$0 --help' for more information"
            exit 1
            ;;
    esac
done

if [ ${#CANISTERS[@]} -eq 0 ]; then
    CANISTERS=("sol_rpc_canister")
fi

for canister in "${CANISTERS[@]}"
do
    build "$canister"
done